196551440

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15649}}^1$

素因数の和:15819

約数の個数: 40

約数和(自身を含む): 459922200

約数和(自身を除く): 263370760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 15649, 31298, 62596, 78245, 125192, 156490, 250384, 312980, 625960, 1251920, 2456893, 4913786, 9827572, 12284465, 19655144, 24568930, 39310288, 49137860, 98275720, 196551440]

約数ペア:

[(1, 196551440), (2, 98275720), (4, 49137860), (5, 39310288), (8, 24568930), (10, 19655144), (16, 12284465), (20, 9827572), (40, 4913786), (80, 2456893), (157, 1251920), (314, 625960), (628, 312980), (785, 250384), (1256, 156490), (1570, 125192), (2512, 78245), (3140, 62596), (6280, 31298), (12560, 15649)]